/*示例样式*/
.sample {
    position: relative;
    height: 100%;
    overflow: auto;
  }
  .sample::after {
    display: block;
    content: "";
    clear: both;
  }
  .sample-tutorial {
       position: relative;
       height: 100%;
       overflow: hidden;
  }
  /*电子表格示例样式*/
  .sample-spreadsheets {
    width: calc(100% - 280px);
    height: 100%;
    overflow: hidden;
    float: left;
  }
  /*选项容器*/
  .options-container {
    float: right;
    width: 280px;
    padding: 12px;
    height: 100%;
    box-sizing: border-box;
    background: #fbfbfb;
    overflow: auto;
  }
  /*选项行*/
  .option-row {
    font-size: 14px;
    padding: 5px;
    margin-top: 10px;
  }
  /*选项组*/
  .option-group {
    margin-bottom: 8px;
  }
  input,
  select {
    margin-top: 6px;
    padding: 4px 4px;
    width: 100%;
    box-sizing: border-box;
  } 
  body {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 0;
      right: 0;
  }